/* * Copyright (c) 2006-2011 Christian Plattner. All rights reserved. * Please refer to the LICENSE.txt for licensing details. */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import ch.ethz.ssh2.Connection; import ch.ethz.ssh2.Session; import ch.ethz.ssh2.StreamGobbler; public class StdoutAndStderr { public static void main(String[] args) { String hostname = "127.0.0.1"; String username = "joe"; String password = "joespass"; try { /* Create a connection instance */ Connection conn = new Connection(hostname); /* Now connect */ conn.connect(); /* Authenticate */ boolean isAuthenticated = conn.authenticateWithPassword(username, password); if (isAuthenticated == false) throw new IOException("Authentication failed."); /* Create a session */ Session sess = conn.openSession(); sess.execCommand("echo \"Text on STDOUT\"; echo \"Text on STDERR\" >&2"); InputStream stdout = new StreamGobbler(sess.getStdout()); InputStream stderr = new StreamGobbler(sess.getStderr()); BufferedReader stdoutReader = new BufferedReader(new InputStreamReader(stdout)); BufferedReader stderrReader = new BufferedReader(new InputStreamReader(stderr)); System.out.println("Here is the output from stdout:"); while (true) { String line = stdoutReader.readLine(); if (line == null) break; System.out.println(line); } System.out.println("Here is the output from stderr:"); while (true) { String line = stderrReader.readLine(); if (line == null) break; System.out.println(line); } /* Close this session */ sess.close(); /* Close the connection */ conn.close(); } catch (IOException e) { e.printStackTrace(System.err); System.exit(2); } } }